1. China Institute of Atomic Energy, P. O. Box 275 (10), Beijing 102413, China
2. Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China
3. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
4. School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China